<template>
	<view>
		<view class="cart-title">
			<!-- 左侧图标 -->
			<uni-icons type="shop" size="18"></uni-icons>
			<!-- 描述文本 -->
			<text class="cart-title-text">购物车</text>
		</view>

		<!-- 循环渲染购物车中的商品 -->
		<uni-swiper-action>
			<block v-for="(goods,i) in cart" :key="i">
				<!-- uni-swipe-action-item可以为其子节点提供滑动操作的效果,需要通过options属性来指定操作按钮的配置信息 -->
				<uni-swipe-action-item :options="options" @click="swipeItemClickHandler(goods)">
					<my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler"
						@num-change="numberChangeHandler">
					</my-goods>
				</uni-swipe-action-item>
			</block>
		</uni-swiper-action>
	</view>
</template>

<script>
	import badgeMix from '@/mixins/tabbar-badge.js'
	import {
		mapState,
		mapMutations
	} from 'vuex'

	export default {
		mixins: [badgeMix],
		computed: {
			...mapState('m_cart', ['cart'])
		},
		data() {
			return {
				options: [{
					text: '删除', //显示的文本内容
					style: {
						backgroundColor: '#C00000' //按钮的背景颜色
					}
				}]
			};
		},
		methods: {
			...mapMutations('m_cart', ['updateGoodsState', 'updateGoodsCount','removeGoodsById']),
			radioChangeHandler(e) {
				// console.log(e)
				this.updateGoodsState(e)
			},
			//NumberBox组件的change事件处理函数
			numberChangeHandler(e) {
				this.updateGoodsCount(e)
			},
			//点击了滑动操作按钮
			swipeItemClickHandler(goods) {
				this.removeGoodsById(goods.goods_id)
			}
		},
	}
</script>

<style lang="scss">
	.cart-title {
		height: 40px;
		display: flex;
		align-items: center;
		padding-left: 5px;
		border-bottom: 1px solid #efefef;

		.cart-title-text {
			margin-left: 10px;
			font-size: 14px;
		}
	}
</style>
